25mm Voice coil, Norex paper cone, rubber surround, ferrite motor, aluminium chassis

Proprietary cone material with natural fibres made in-house
Shortened voice coil optimised for pure midrange reproduction
High damping Butyl rubber surround for non-resonant sound character
Vented pole piece for reduced compression
Vented cast aluminium chassis for optimum strength and low compression
CCAW voice coil for reduced moving mass
Long life silver lead wires
Non-conducting fibre glass coil former for minimum damping